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Finding the Fourth Proportional to 60,040.57, 90,060.74 and 56,386.92

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Solution

The fourth proportional to 60,040.57, 90,060.74 and 56,386.92 is: 84,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,040.57 : 90,060.74 = 56,386.92 : x
  2. Step 2: Convert to fraction form
    60,040.57/90,060.74 = 56,386.92/x
  3. Step 3: Cross multiply
    60,040.57x = 90,060.74 × 56,386.92
  4. Step 4: Simplify right side
    60,040.57x = 5,078,247,150.25
  5. Step 5: Solve for x
    x = 5,078,247,150.25/60,040.57
  6. Step 6: Final answer
    x = 84,580.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.